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Home >> Mazda >> 1999 >> B2500 SX, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Engine Controls - Self-Diagnostics - EEC-V - 6.8L (99S E Series & 99S F350 To F550)) >> Additional System Functions >> Drive Cycles >> OBD-II Drive Cycle

OBD-II Drive Cycle

WARNING: This page does not describe the selected car, but rather 26 other vehicles, including the 1999 Mercury Tracer, 1999 Mercury Sable, 1999 Mercury Mystique, 1999 Mercury Mountaineer, and 1999 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
  1. Perform VEHICLE PREPARATION . Drive vehicle in stop and go traffic with a minimum of 4 idle periods (30 seconds each) while observing OBD-II monitor status on scan tool. If Exhaust Gas Recirculation (EGR), HEATED OXYGEN SENSOR (HO2S), Secondary Air (AIR) if applicable or catalyst efficiency monitor is not complete, drive vehicle at a constant speed more than 40 MPH, but less than 65 MPH for up to 15 minutes.
  2. DO NOT open throttle wide open, use heavy accelerations or use sudden accelerations. If scan tool sounds a 3 beep pulse at any time, OBD-II drive cycle is complete. If EGR, HO2S, AIR (if applicable) or catalyst efficiency monitor is not complete, perform appropriate monitor verification drive cycle. Turn engine off. Retrieve Continuous Memory DTCs to verify DTC P1000 has been cleared.
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